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taosdata / TDengine / #3614

14 Feb 2025 09:14AM UTC coverage: 61.4% (-2.1%) from 63.499%
#3614

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Merge pull request #29781 from taosdata/doc/internal

docs: minor changes

142800 of 298998 branches covered (47.76%)

Branch coverage included in aggregate %.

224842 of 299767 relevant lines covered (75.01%)

17915812.99 hits per line

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76.9
/source/libs/executor/src/querytask.c
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/*
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 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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 *
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 * This program is free software: you can use, redistribute, and/or modify
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 * it under the terms of the GNU Affero General Public License, version 3
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 * or later ("AGPL"), as published by the Free Software Foundation.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.
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 *
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 * You should have received a copy of the GNU Affero General Public License
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 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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 */
15

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#include "filter.h"
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#include "function.h"
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#include "functionMgt.h"
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#include "os.h"
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#include "querynodes.h"
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#include "tfill.h"
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#include "tname.h"
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#include "tdatablock.h"
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#include "tmsg.h"
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#include "executorInt.h"
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#include "index.h"
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#include "operator.h"
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#include "query.h"
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#include "querytask.h"
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#include "storageapi.h"
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#include "thash.h"
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#include "ttypes.h"
35

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#define CLEAR_QUERY_STATUS(q, st) ((q)->status &= (~(st)))
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int32_t doCreateTask(uint64_t queryId, uint64_t taskId, int32_t vgId, EOPTR_EXEC_MODEL model, SStorageAPI* pAPI,
8,197,236✔
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                     SExecTaskInfo** pTaskInfo) {
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  if (pTaskInfo == NULL) {
8,197,236!
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    return TSDB_CODE_SUCCESS;
×
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  }
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  SExecTaskInfo* p = taosMemoryCalloc(1, sizeof(SExecTaskInfo));
8,197,236!
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  if (p == NULL) {
8,198,120!
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    return terrno;
×
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  }
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  setTaskStatus(p, TASK_NOT_COMPLETED);
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  p->cost.created = taosGetTimestampUs();
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  p->execModel = model;
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  p->stopInfo.pStopInfo = taosArrayInit(4, sizeof(SExchangeOpStopInfo));
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  p->pResultBlockList = taosArrayInit(128, POINTER_BYTES);
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  if (p->stopInfo.pStopInfo == NULL || p->pResultBlockList == NULL) {
8,199,546!
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    doDestroyTask(p);
×
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    return terrno;
×
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  }
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  p->storageAPI = *pAPI;
8,200,950✔
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  taosInitRWLatch(&p->lock);
8,200,950✔
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  p->id.vgId = vgId;
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  p->id.queryId = queryId;
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  p->id.taskId = taskId;
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  p->id.str = taosMemoryMalloc(64);
8,207,034!
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  if (p->id.str == NULL) {
8,206,112!
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    doDestroyTask(p);
×
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    return terrno;
×
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  }
71

72
  buildTaskId(taskId, queryId, p->id.str);
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  p->schemaInfos = taosArrayInit(1, sizeof(SSchemaInfo));
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  if (p->id.str == NULL || p->schemaInfos == NULL) {
8,203,494!
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    doDestroyTask(p);
×
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    return terrno;
×
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  }
78

79
  *pTaskInfo = p;
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  return TSDB_CODE_SUCCESS;
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}
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bool isTaskKilled(void* pTaskInfo) { return (0 != ((SExecTaskInfo*)pTaskInfo)->code); }
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void setTaskKilled(SExecTaskInfo* pTaskInfo, int32_t rspCode) {
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  pTaskInfo->code = rspCode;
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  (void)stopTableScanOperator(pTaskInfo->pRoot, pTaskInfo->id.str, &pTaskInfo->storageAPI);
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}
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89

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void setTaskStatus(SExecTaskInfo* pTaskInfo, int8_t status) {
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  if (status == TASK_NOT_COMPLETED) {
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    pTaskInfo->status = status;
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  } else {
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    // QUERY_NOT_COMPLETED is not compatible with any other status, so clear its position first
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    CLEAR_QUERY_STATUS(pTaskInfo, TASK_NOT_COMPLETED);
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    pTaskInfo->status |= status;
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  }
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}
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int32_t createExecTaskInfo(SSubplan* pPlan, SExecTaskInfo** pTaskInfo, SReadHandle* pHandle, uint64_t taskId,
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                           int32_t vgId, char* sql, EOPTR_EXEC_MODEL model) {
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  int32_t code = doCreateTask(pPlan->id.queryId, taskId, vgId, model, &pHandle->api, pTaskInfo);
8,197,848✔
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  if (*pTaskInfo == NULL || code != 0) {
8,204,527!
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    nodesDestroyNode((SNode*)pPlan);
×
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    return code;
×
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  }
107

108
  if (pHandle) {
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    if (pHandle->pStateBackend) {
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      (*pTaskInfo)->streamInfo.pState = pHandle->pStateBackend;
7,533✔
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    }
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  }
113

114
  if (NULL != sql) {
8,205,142✔
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    (*pTaskInfo)->sql = taosStrdup(sql);
8,065,775!
116
    if (NULL == (*pTaskInfo)->sql) {
8,055,388!
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      code = terrno;
×
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      nodesDestroyNode((SNode*)pPlan);
×
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      doDestroyTask(*pTaskInfo);
×
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      (*pTaskInfo) = NULL;
×
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      return code;
×
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    }
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  }
124

125
  (*pTaskInfo)->pSubplan = pPlan;
8,194,755✔
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  (*pTaskInfo)->pWorkerCb = pHandle->pWorkerCb;
8,194,755✔
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  code = createOperator(pPlan->pNode, *pTaskInfo, pHandle, pPlan->pTagCond, pPlan->pTagIndexCond, pPlan->user,
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                        pPlan->dbFName, &((*pTaskInfo)->pRoot));
8,194,755✔
129

130
  if (NULL == (*pTaskInfo)->pRoot || code != 0) {
8,195,409!
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    doDestroyTask(*pTaskInfo);
×
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    (*pTaskInfo) = NULL;
148✔
133
  }
134
  return code;
8,203,871✔
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}
136

137
void cleanupQueriedTableScanInfo(void* p) {
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  SSchemaInfo* pSchemaInfo = p;
4,873,357✔
139

140
  taosMemoryFreeClear(pSchemaInfo->dbname);
4,873,357!
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  taosMemoryFreeClear(pSchemaInfo->tablename);
4,873,696!
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  tDeleteSchemaWrapper(pSchemaInfo->sw);
4,873,724!
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  tDeleteSchemaWrapper(pSchemaInfo->qsw);
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}
4,874,135✔
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146
int32_t initQueriedTableSchemaInfo(SReadHandle* pHandle, SScanPhysiNode* pScanNode, const char* dbName,
4,868,668✔
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                                   SExecTaskInfo* pTaskInfo) {
148
  SMetaReader mr = {0};
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  if (pHandle == NULL) {
4,868,668!
150
    return TSDB_CODE_INVALID_PARA;
×
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  }
152

153
  SStorageAPI* pAPI = &pTaskInfo->storageAPI;
4,868,668✔
154

155
  pAPI->metaReaderFn.initReader(&mr, pHandle->vnode, META_READER_LOCK, &pAPI->metaFn);
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  int32_t code = pAPI->metaReaderFn.getEntryGetUidCache(&mr, pScanNode->uid);
4,873,573✔
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  if (code != TSDB_CODE_SUCCESS) {
4,864,481✔
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    qError("failed to get the table meta, uid:0x%" PRIx64 ", suid:0x%" PRIx64 ", %s", pScanNode->uid, pScanNode->suid,
120!
159
           GET_TASKID(pTaskInfo));
160

161
    pAPI->metaReaderFn.clearReader(&mr);
120✔
162
    return code;
120✔
163
  }
164

165
  SSchemaInfo schemaInfo = {0};
4,864,361✔
166

167
  schemaInfo.tablename = taosStrdup(mr.me.name);
4,864,361!
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  schemaInfo.dbname = taosStrdup(dbName);
4,863,600✔
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  if (schemaInfo.tablename == NULL || schemaInfo.dbname == NULL) {
4,870,508!
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    pAPI->metaReaderFn.clearReader(&mr);
×
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    cleanupQueriedTableScanInfo(&schemaInfo);
×
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    return terrno;
×
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  }
174

175
  if (mr.me.type == TSDB_SUPER_TABLE) {
4,870,641✔
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    schemaInfo.sw = tCloneSSchemaWrapper(&mr.me.stbEntry.schemaRow);
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    schemaInfo.tversion = mr.me.stbEntry.schemaTag.version;
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178
  } else if (mr.me.type == TSDB_CHILD_TABLE) {
729,044✔
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    tDecoderClear(&mr.coder);
441,542✔
180

181
    tb_uid_t suid = mr.me.ctbEntry.suid;
441,550✔
182
    code = pAPI->metaReaderFn.getEntryGetUidCache(&mr, suid);
441,550✔
183
    if (code != TSDB_CODE_SUCCESS) {
441,526!
184
      pAPI->metaReaderFn.clearReader(&mr);
×
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      cleanupQueriedTableScanInfo(&schemaInfo);
×
186
      return code;
×
187
    }
188

189
    schemaInfo.sw = tCloneSSchemaWrapper(&mr.me.stbEntry.schemaRow);
441,536✔
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    schemaInfo.tversion = mr.me.stbEntry.schemaTag.version;
441,536✔
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  } else {
192
    schemaInfo.sw = tCloneSSchemaWrapper(&mr.me.ntbEntry.schemaRow);
281,523✔
193
  }
194

195
  pAPI->metaReaderFn.clearReader(&mr);
4,865,236✔
196

197
  if (schemaInfo.sw == NULL) {
4,870,744!
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    cleanupQueriedTableScanInfo(&schemaInfo);
×
199
    return terrno;
×
200
  }
201

202
  schemaInfo.qsw = extractQueriedColumnSchema(pScanNode);
4,870,744✔
203
  if (schemaInfo.qsw == NULL) {
4,864,735!
204
    cleanupQueriedTableScanInfo(&schemaInfo);
×
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    return terrno;
×
206
  }
207

208
  void* p = taosArrayPush(pTaskInfo->schemaInfos, &schemaInfo);
4,864,735✔
209
  if (p == NULL) {
4,865,960!
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    cleanupQueriedTableScanInfo(&schemaInfo);
×
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    return terrno;
×
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  }
213

214
  return code;
4,865,960✔
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}
216

217
SSchemaWrapper* extractQueriedColumnSchema(SScanPhysiNode* pScanNode) {
4,863,159✔
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  int32_t numOfCols = LIST_LENGTH(pScanNode->pScanCols);
4,863,159!
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  int32_t numOfTags = LIST_LENGTH(pScanNode->pScanPseudoCols);
4,863,159✔
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221
  SSchemaWrapper* pqSw = taosMemoryCalloc(1, sizeof(SSchemaWrapper));
4,863,159!
222
  if (pqSw == NULL) {
4,869,697!
223
    return NULL;
×
224
  }
225

226
  pqSw->pSchema = taosMemoryCalloc(numOfCols + numOfTags, sizeof(SSchema));
4,869,697!
227
  if (pqSw->pSchema == NULL) {
4,865,165!
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    taosMemoryFree(pqSw);
×
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    return NULL;
×
230
  }
231

232
  for (int32_t i = 0; i < numOfCols; ++i) {
28,496,967✔
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    STargetNode* pNode = (STargetNode*)nodesListGetNode(pScanNode->pScanCols, i);
23,653,253✔
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    SColumnNode* pColNode = (SColumnNode*)pNode->pExpr;
23,631,802✔
235

236
    SSchema* pSchema = &pqSw->pSchema[pqSw->nCols++];
23,631,802✔
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    pSchema->colId = pColNode->colId;
23,631,802✔
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    pSchema->type = pColNode->node.resType.type;
23,631,802✔
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    pSchema->bytes = pColNode->node.resType.bytes;
23,631,802✔
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    tstrncpy(pSchema->name, pColNode->colName, tListLen(pSchema->name));
23,631,802✔
241
  }
242

243
  // this the tags and pseudo function columns, we only keep the tag columns
244
  for (int32_t i = 0; i < numOfTags; ++i) {
11,923,480✔
245
    STargetNode* pNode = (STargetNode*)nodesListGetNode(pScanNode->pScanPseudoCols, i);
7,086,480✔
246

247
    int32_t type = nodeType(pNode->pExpr);
7,079,766✔
248
    if (type == QUERY_NODE_COLUMN) {
7,079,766✔
249
      SColumnNode* pColNode = (SColumnNode*)pNode->pExpr;
6,337,870✔
250

251
      SSchema* pSchema = &pqSw->pSchema[pqSw->nCols++];
6,337,870✔
252
      pSchema->colId = pColNode->colId;
6,337,870✔
253
      pSchema->type = pColNode->node.resType.type;
6,337,870✔
254
      pSchema->bytes = pColNode->node.resType.bytes;
6,337,870✔
255
      tstrncpy(pSchema->name, pColNode->colName, tListLen(pSchema->name));
6,337,870✔
256
    }
257
  }
258

259
  return pqSw;
4,837,000✔
260
}
261

262
static void cleanupStreamInfo(SStreamTaskInfo* pStreamInfo) {
8,210,719✔
263
  tDeleteSchemaWrapper(pStreamInfo->schema);
8,210,719✔
264
  tOffsetDestroy(&pStreamInfo->currentOffset);
8,210,638✔
265
  tDeleteSchemaWrapper(pStreamInfo->notifyResultSchema);
8,211,408!
266
  taosMemoryFree(pStreamInfo->stbFullName);
8,210,439✔
267
}
8,210,562✔
268

269
static void freeBlock(void* pParam) {
9,948,876✔
270
  SSDataBlock* pBlock = *(SSDataBlock**)pParam;
9,948,876✔
271
  blockDataDestroy(pBlock);
9,948,876✔
272
}
9,949,056✔
273

274
void doDestroyTask(SExecTaskInfo* pTaskInfo) {
8,209,570✔
275
  qDebug("%s execTask is freed", GET_TASKID(pTaskInfo));
8,209,570✔
276
  destroyOperator(pTaskInfo->pRoot);
8,209,570✔
277
  pTaskInfo->pRoot = NULL;
8,211,252✔
278

279
  taosArrayDestroyEx(pTaskInfo->schemaInfos, cleanupQueriedTableScanInfo);
8,211,252✔
280
  cleanupStreamInfo(&pTaskInfo->streamInfo);
8,211,677✔
281

282
  if (!pTaskInfo->localFetch.localExec) {
8,210,465✔
283
    nodesDestroyNode((SNode*)pTaskInfo->pSubplan);
8,138,968✔
284
    pTaskInfo->pSubplan = NULL;
8,140,101✔
285
  }
286

287
  taosArrayDestroyEx(pTaskInfo->pResultBlockList, freeBlock);
8,211,598✔
288
  taosArrayDestroy(pTaskInfo->stopInfo.pStopInfo);
8,211,577✔
289
  taosMemoryFreeClear(pTaskInfo->sql);
8,211,921!
290
  taosMemoryFreeClear(pTaskInfo->id.str);
8,211,832!
291
  taosMemoryFreeClear(pTaskInfo);
8,211,884!
292
}
8,211,820✔
293

294
void buildTaskId(uint64_t taskId, uint64_t queryId, char* dst) {
8,262,494✔
295
  char* p = dst;
8,262,494✔
296

297
  int32_t offset = 6;
8,262,494✔
298
  memcpy(p, "TID:0x", offset);
8,262,494✔
299
  offset += tintToHex(taskId, &p[offset]);
8,262,494✔
300

301
  memcpy(&p[offset], " QID:0x", 7);
8,268,084✔
302
  offset += 7;
8,268,084✔
303
  offset += tintToHex(queryId, &p[offset]);
8,268,084✔
304

305
  p[offset] = 0;
8,266,575✔
306
}
8,266,575✔
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